1 files changed, 37 insertions, 0 deletions
diff --git a/qemu/include/hw/ptimer.h b/qemu/include/hw/ptimer.h
new file mode 100644
index 000000000..8ebacbbda
--- /dev/null
+++ b/qemu/include/hw/ptimer.h
@@ -0,0 +1,37 @@
+/*
+ * General purpose implementation of a simple periodic countdown timer.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ *
+ * This code is licensed under the GNU LGPL.
+ */
+#ifndef PTIMER_H
+#define PTIMER_H
+
+#include "qemu-common.h"
+#include "qemu/timer.h"
+#include "migration/vmstate.h"
+
+/* ptimer.c */
+typedef struct ptimer_state ptimer_state;
+typedef void (*ptimer_cb)(void *opaque);
+
+ptimer_state *ptimer_init(QEMUBH *bh);
+void ptimer_set_period(ptimer_state *s, int64_t period);
+void ptimer_set_freq(ptimer_state *s, uint32_t freq);
+void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload);
+uint64_t ptimer_get_count(ptimer_state *s);
+void ptimer_set_count(ptimer_state *s, uint64_t count);
+void ptimer_run(ptimer_state *s, int oneshot);
+void ptimer_stop(ptimer_state *s);
+
+extern const VMStateDescription vmstate_ptimer;
+
+#define VMSTATE_PTIMER(_field, _state) \
+    VMSTATE_STRUCT_POINTER_V(_field, _state, 1, vmstate_ptimer, ptimer_state)
+
+#define VMSTATE_PTIMER_ARRAY(_f, _s, _n)                                \
+    VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, 0,                   \
+                                       vmstate_ptimer, ptimer_state)
+
+#endif